As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ACFT WAS CLIMBING UP A SLOPE AND PREPARING TO SET UP AN APPROACH FOR LANDING ON TOP OF A RIDGE WHEN THE ENGINE APPEARED TO HAVE LOST POWER OR QUIT. THE PILOT LOWERED THE COLLECTIVE AND DESCENDED TO SET UP FOR LANDING, FLARED FOR LANDING AND LANDED HARD. FURTHER INVESTIGATION WILL BE REQUIRED.